Introduction: India's Most Prestigious Career � Indian Defence Forces
Serving the nation and building a strong career � both are possible only in Indian Defence Forces. NDA (National Defence Academy) and CDS (Combined Defence Services) � both are conducted by UPSC and are expected to announce thousands of vacancies in 2026.
Quick Links: NDA 2026 Dates | CDS 2026 Dates | Eligibility | Syllabus | Physical Standards | Salary
If you want to join defence after 12th or graduation, this NDA CDS 2026 Complete Guide is for you.
Defence Services at a Glance 2026
| Parameter | NDA 2026 | CDS 2026 |
|---|---|---|
| Conducting Body | UPSC | UPSC |
| For | 10+2 Pass Students | Graduates |
| Frequency | Twice a year | Twice a year |
| Expected Vacancies | 400+ (NDA I + II) | 450+ (CDS I + II) |
| Services | Army, Navy, Air Force | Army, Navy, Air Force, OTA |
| Training Academy | NDA, Khadakwasla | IMA, AFA, INA, OTA |
NDA 2026 Important Dates
NDA I 2026
| Event | Expected Date |
|---|---|
| Official Notification | January 8, 2026 |
| Last Date to Apply | January 28, 2026 |
| Admit Card | March 2026 |
| NDA I Written Exam | April 13, 2026 |
| Result (Written) | June 2026 |
| SSB Interview | July�September 2026 |
| Final Result | November 2026 |
NDA II 2026
| Event | Expected Date |
|---|---|
| Official Notification | May 2026 |
| Last Date to Apply | June 2026 |
| NDA II Written Exam | September 14, 2026 |
| SSB Interview | November 2026�January 2027 |
| Final Result | April 2027 |
CDS 2026 Important Dates
CDS I 2026
| Event | Expected Date |
|---|---|
| Notification Released | November 13, 2025 |
| Last Date to Apply | December 3, 2025 |
| Admit Card | January 2026 |
| CDS I Written Exam | February 2, 2026 |
| Result (Written) | April 2026 |
| SSB Interviews | May�August 2026 |
CDS II 2026
| Event | Expected Date |
|---|---|
| Notification | May 2026 |
| Last Date | June 2026 |
| CDS II Written Exam | September 6, 2026 |
| SSB Interviews | November 2026�February 2027 |
Eligibility Criteria
NDA 2026 Eligibility
Age Limit:
- Minimum: 16.5 years
- Maximum: 19.5 years
- Born Between: January 2, 2007 to January 1, 2010 (for NDA I 2026)
Educational Qualification:
- Army Wing: 10+2 (any stream) from recognized board
- Air Force / Naval Wing: 10+2 with Physics & Mathematics compulsory
Gender: Only Male candidates (NDA); Female candidates eligible for OTA through CDS
Marital Status: Unmarried
CDS 2026 Eligibility
| Academy | Required Qualification |
|---|---|
| IMA (Indian Military Academy) | Graduation (any stream) |
| INA (Indian Naval Academy) | B.E./B.Tech (Engineering) |
| AFA (Air Force Academy) | Graduation with Physics & Maths |
| OTA (Officers Training Academy) | Graduation (any stream) � Men & Women |
Age Limits (CDS II 2026):
- IMA: 19�25 years
- INA: 19�25 years
- AFA: 20�24 years
- OTA (Men): 19�25 years
- OTA (Women): 19�25 years
Vacancies 2026
NDA 2026 Vacancies (Expected)
| Service | NDA I | NDA II | Total |
|---|---|---|---|
| Army | 208 | 208 | 416 |
| Navy | 42 | 42 | 84 |
| Air Force | 120 | 120 | 240 |
| Total | 370 | 370 | 740 |
CDS 2026 Vacancies (Expected)
| Academy | CDS I | CDS II | Total |
|---|---|---|---|
| IMA | 100 | 100 | 200 |
| INA | 22 | 22 | 44 |
| AFA | 32 | 32 | 64 |
| OTA (Men) | 166 | 166 | 332 |
| OTA (Women) | 12 | 12 | 24 |
| Total | 332 | 332 | 664 |
Exam Syllabus
NDA Written Exam Syllabus
Paper 1: Mathematics (300 Marks | 2.5 Hours)
- Algebra (Sets, Relations, Functions, Complex Numbers)
- Matrices & Determinants
- Trigonometry
- Analytical Geometry (2D & 3D)
- Differential Calculus
- Integral Calculus & Differential Equations
- Vector Algebra
- Statistics & Probability
Paper 2: General Ability Test (600 Marks | 2.5 Hours)
Part A � English (200 Marks):
- Reading Comprehension
- Grammar & Usage
- Vocabulary
Part B � General Knowledge (400 Marks):
- Physics (60 marks)
- Chemistry (60 marks)
- General Science (40 marks)
- History & Freedom Movement (80 marks)
- Geography (80 marks)
- Current Events (80 marks)
Total: 900 Marks Written + 900 Marks SSB = 1800 Marks
CDS Written Exam Syllabus
For IMA, INA, AFA:
| Paper | Marks | Duration |
|---|---|---|
| English | 100 | 2 hours |
| General Knowledge | 100 | 2 hours |
| Elementary Mathematics | 100 | 2 hours |
| Total | 300 | 6 hours |
For OTA (Men & Women):
| Paper | Marks | Duration |
|---|---|---|
| English | 100 | 2 hours |
| General Knowledge | 100 | 2 hours |
| Total | 200 | 4 hours |
CDS English Topics:
- Spotting errors in sentences
- Reading comprehension
- Ordering of words in sentences
- Fill in the blanks
- Para jumbles
CDS GK Topics:
- Current events of national/international importance
- History of India and World
- Indian Geography
- Indian Polity & Constitution
- Economy & Finance
- Science & Technology (especially defence-related)
SSB Interview Process (Both NDA & CDS)
The SSB (Services Selection Board) interview is the most critical stage � weighted equally or more than the written exam.
Stage 1: Screening Test (Day 1)
-
Officer Intelligence Rating (OIR) Test
- Verbal and Non-verbal Intelligence Tests
- Qualifying: Above average required
-
Picture Perception & Discussion Test (PPDT)
- Write a story from a hazy picture
- Group discussion on stories
- Only ~40-50% candidates clear Stage 1
Stage 2: Psychological Tests (Day 2)
- Thematic Apperception Test (TAT) � 12 pictures, write stories
- Word Association Test (WAT) � 60 words, one phrase/sentence per word
- Situation Reaction Test (SRT) � 60 situations, written responses
- Self Description Test (SD) � Opinion about self from 5 perspectives
Stage 3: Group Testing Officer (GTO) Tests (Days 3-4)
- Group Discussion (2 topics)
- Group Planning Exercise
- Progressive Group Task (PGT)
- Half Group Task (HGT)
- Individual Obstacles (10 obstacles)
- Command Task
- Final Group Task (FGT)
- Lecturette (3-minute speech on chosen topic)
Stage 4: Personal Interview (Day 3-4)
- 45-60 minute in-depth interview with Senior Psychologist
- Questions on background, academics, interests, current affairs
- Leadership qualities assessed
Stage 5: Conference (Day 5)
- Final board assessment
- Candidates rated on Officer-Like Qualities (OLQs)
- Final recommendation
Note: Only ~20-25% of Stage 2 candidates get recommended after SSB.
Physical Fitness Standards
NDA Physical Standards
Height & Weight (Army):
| Height | Weight (Min) |
|---|---|
| 157 cm | 42.5 kg |
| 165 cm | 48.1 kg |
| 170 cm | 51.6 kg |
| 175 cm | 55.3 kg |
Height (Navy): Minimum 157 cm
Height (Air Force): 162.5 cm to 196.8 cm (with correlated weight)
Medical Standards:
- Eyesight: 6/6 in better eye, 6/9 in worse eye (correctable)
- No colour blindness
- Normal hearing
- No bone/joint disease
- No skin conditions
Physical Fitness Test (CPSS for Air Force)
Pilot Aptitude Battery Test (PABT) � conducted at AFSB for Air Force candidates
Preparation Strategy � 6 Month Plan
Month 1-2: Foundation
Mathematics:
- Complete NCERT Class 11 & 12 thoroughly
- Focus: Algebra, Trigonometry, Calculus basics
- Practice: 50 questions daily
English:
- Grammar textbook (Wren & Martin basics)
- Read English newspaper � 30 min daily (The Hindu/Indian Express)
- Vocabulary: 10 new words daily
General Knowledge:
- NCERT History (Class 6-12)
- NCERT Geography (6-12)
- Current Events: Read monthly magazine
Month 3-4: Advanced Preparation
- Complete advanced Mathematics topics (Vectors, 3D, Statistics)
- Physics & Chemistry (NCERT 11-12)
- Indian Polity (Lakshmikanth � relevant chapters)
- Previous 10 years NDA papers analysis
Month 5-6: Practice & Mock Tests
- Daily full-length NDA/CDS mock tests
- SSB preparation: PIQ (Personal Information Questionnaire)
- Physical fitness daily routine
- GK Current Affairs: Last 6 months revision
- Group discussion practice
Best Books for NDA CDS 2026
Mathematics
- Mathematics for NDA/NA � R.S. Aggarwal
- Quantitative Aptitude � Arihant (NDA specific)
- NCERT 11th & 12th � Must read
English
- Wren & Martin � High School Grammar
- Objective English � SP Bakshi (Arihant)
General Knowledge
- Pathfinder NDA/NA � Arihant Publications
- Manorama Yearbook 2026
- India 2026 (Government of India publication)
- NCERT Class 6-12 (History, Geography, Science)
Complete Guide Books
- NDA/NA Complete Guide � Arihant
- CDS Exam Practice Work Book � Kiran Publications
- Pathfinder CDS � Arihant
Salary & Perks in Defence Services
NDA Cadet (During Training � 3 Years NDA + 1 Year IMA/INA/AFA)
- Stipend: ?56,100 per month during training
After Commissioned as Lieutenant/Sub-Lieutenant
| Service | Pay Scale (Level 10) |
|---|---|
| Army (Lieutenant) | ?56,100 � ?1,77,500 |
| Navy (Sub-Lt) | ?56,100 � ?1,77,500 |
| Air Force (Flying Officer) | ?56,100 � ?1,77,500 |
Additional Allowances
- Military Service Pay (MSP): ?15,500/month
- DA: 50% of pay (2026 revised rates)
- HRA: 24% to 27% depending on posting
- Kit Maintenance Allowance: ?20,000/year
- Leave Travel Concession: Covered by government
- Canteen Facilities: CSD canteen access (significant savings)
- Medical: Free medical for self, spouse, and dependents
- Pension: Defined pension after 20 years service
Career Progression
- Lieutenant: On commissioning
- Captain: After 2 years (Army) / equivalent in Navy & AF
- Major: After 6 years
- Lt. Colonel: After 13 years
- Colonel: After 26 years (select list)
- Brigadier/Rear Admiral/Air Commodore: Senior selection
Frequently Asked Questions
Q1: Can girls apply for NDA 2026?
A: Yes! Since 2022, female candidates can also apply for NDA. They can join Army, Navy, and Air Force wings.
Q2: What is the minimum percentage required for NDA?
A: There is no minimum percentage requirement � you just need to pass 12th with Physics & Maths (for AF/Navy).
Q3: Can Civil Engineering graduates apply for CDS?
A: Yes, any engineering stream can apply for IMA and OTA. Engineering degree is mandatory for INA.
Q4: How many times can I apply after SSB rejection?
A: There is no restriction on attempts (as long as you are within the age limit).
Q5: How much time is given for SSB after passing NDA written exam?
A: SSB dates are allotted within 2-3 months of the result.
Q6: What is Short Service Commission (SSC) in CDS?
A: Officers commissioned through OTA get SSC � 14 years of service with option to convert to permanent commission.
Q7: What is the difference between AFCAT and CDS for Air Force?
A: AFCAT is only for Air Force and is conducted by IAF; CDS is conducted by UPSC and offers the option to join all three services.
How to Apply � Step by Step
- Visit: upsc.gov.in
- Click: "Apply Online" ? Select NDA/CDS exam
- Register: One-time registration if new user
- Fill Form: Personal details, educational qualifications
- Upload: Photo (20-300 KB) and Signature (10-60 KB)
- Pay Fee:
- NDA: ?100 (SC/ST/Sons of servicemen: Exempt)
- CDS: ?200 (SC/ST/Women: Exempt)
- Submit: Download confirmation page
Top Tips from Defence Toppers
- Start with physical fitness � 5km run daily, push-ups, sit-ups
- Take Mathematics seriously � NDA has a 300 marks paper
- Read newspaper daily � Current affairs are very useful in SSB interview
- Join SSB practice groups � Group discussion practice is essential
- Develop Officer-Like Qualities (OLQs) � Leadership, confidence, communication
- Fill PIQ (Personal Information Questionnaire) honestly � Cross-questioning happens in SSB
- Maintain medical fitness � Visual standards are checked first
- Keep motivation strong � Learn from SSB rejection, keep trying
Conclusion
NDA and CDS 2026 � both can lead you to India's safest and most respectable careers. Not only do you get outstanding salary and perks, but also the opportunity to serve the nation.
Apply in 2026, crack SSB, become an officer!
Important Links
- UPSC Official Website
- NDA Online Application
- Join Indian Army
- Join Indian Navy
- Indian Air Force
- Subscribe to Job Alerts
Last Updated: April 24, 2026
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